select * from user_copy where HEX(email) REGEXP '^(..)*(E[4-9])'
MYSQL匹配中文字符:
HEX(column) REGEXP '^(..)*(E[4-9])' 用此来判断
SELECT * FROM p_sku_attr_value where HEX(attr_value_en) REGEXP '^(..)*(E[4-9])' AND attr_id=1;
原文:https://blog.csdn.net/u012885111/article/details/54924578